doc: fix filename typo

PR-URL: #61297
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>

Author: Hardanish-Singh

…ibuting/managing-social-media-acounts.md …buting/managing-social-media-accounts.mddoc/contributing/managing-social-media-acounts.md renamed to doc/contributing/managing-social-media-accounts.md doc/contributing/managing-social-media-acounts.md renamed to doc/contributing/managing-social-media-accounts.md

@@ -41,7 +41,7 @@ delegated to the Foundation Staff.
 
 No project members have access to the Facebook account.
 
-## Linkedin
+## LinkedIn
 
 Day to day management of the LinkedIn account has been
 delegated to the Foundation Staff.